If you want free legit 4k movies, then I would suggest Kodi. Kodi is a program that runs all the Android boxes that people are buying. It can also be run on linux and windows machines. I use Kodi on my laptop to watch all movies and tv shows. Its something like netflix. Its all free.
Kodi is the base program, then you can install add ons simular to Netflix. The U.K supreme court has ruled it is legal to stream copy right material this way. Most people around the world have been switching to it as a enhancement to their local cable. You can use VPN's to watch blocked content or geoghrapic specific content. Once you can find the add ons or a build you like, you will be spending hours watching tv. The only down side to it is, you have to watch your bandwidth useage if you don't have an unlimited package. You also need a quality connection of 5megs and above.
